{"product_id":"siemens-ite-hjd63b300-300a-3-pole-mccb-bolt-on-600v","title":"Siemens \/ ITE HJD63B300 300A 3 Pole MCCB – Bolt On – 600V","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:62acf942-77af-4599-8c37-a537faee7287-11\" data-testid=\"conversation-turn-22\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3d9a9aea-8c84-4344-9404-c94d1aa07a59\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"77\" data-end=\"721\"\u003eThe Siemens \/ ITE HJD63B300 is a high interrupting capacity molded case circuit breaker engineered for robust protection in industrial and commercial electrical systems. Featuring a 300A thermal magnetic interchangeable trip unit, it delivers precise and reliable protection against overloads and short circuits. Built on the durable HJD (J Frame) platform, this breaker ensures strong fault-clearing capability and consistent performance under heavy electrical loads. Its bolt-on mounting design allows secure installation, while its multi-voltage compatibility supports a wide range of power distribution applications.\u003c\/p\u003e\n\u003cp data-start=\"723\" data-end=\"751\"\u003e\u003cstrong data-start=\"723\" data-end=\"749\"\u003eProduct Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"752\" data-end=\"1068\"\u003e\n\u003cli data-section-id=\"1n22tg8\" data-start=\"752\" data-end=\"783\"\u003eManufacturer: Siemens \/ ITE\u003c\/li\u003e\n\u003cli data-section-id=\"1th3d7z\" data-start=\"784\" data-end=\"804\"\u003eModel: HJD63B300\u003c\/li\u003e\n\u003cli data-section-id=\"nogrr\" data-start=\"805\" data-end=\"834\"\u003eFrame Type: J Frame (HJD)\u003c\/li\u003e\n\u003cli data-section-id=\"6rlgrk\" data-start=\"835\" data-end=\"879\"\u003eType: Molded Case Circuit Breaker (MCCB)\u003c\/li\u003e\n\u003cli data-section-id=\"aft6p6\" data-start=\"880\" data-end=\"906\"\u003eAmperage: 300A at 40°C\u003c\/li\u003e\n\u003cli data-section-id=\"kdtmuq\" data-start=\"907\" data-end=\"924\"\u003ePoles: 3 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"o0hedk\" data-start=\"925\" data-end=\"953\"\u003eConnection Type: Bolt On\u003c\/li\u003e\n\u003cli data-section-id=\"11iboly\" data-start=\"954\" data-end=\"1001\"\u003eTrip Unit: Thermal Magnetic Interchangeable\u003c\/li\u003e\n\u003cli data-section-id=\"1e1s6v\" data-start=\"1002\" data-end=\"1047\"\u003eStandard Lug Type: Line and Load Standard\u003c\/li\u003e\n\u003cli data-section-id=\"1pruqjc\" data-start=\"1048\" data-end=\"1068\"\u003eWarranty: 1 Year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1070\" data-end=\"1100\"\u003e\u003cstrong data-start=\"1070\" data-end=\"1098\"\u003eTechnical Specification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1101\" data-end=\"1494\"\u003e\n\u003cli data-section-id=\"1q0uyg\" data-start=\"1101\" data-end=\"1144\"\u003eInterrupting Capacity: 100 kA @ 240V AC\u003c\/li\u003e\n\u003cli data-section-id=\"11ifeu8\" data-start=\"1145\" data-end=\"1187\"\u003eInterrupting Capacity: 65 kA @ 480V AC\u003c\/li\u003e\n\u003cli data-section-id=\"159r92n\" data-start=\"1188\" data-end=\"1230\"\u003eInterrupting Capacity: 35 kA @ 600V AC\u003c\/li\u003e\n\u003cli data-section-id=\"t5rz0u\" data-start=\"1231\" data-end=\"1273\"\u003eInterrupting Capacity: 30 kA @ 250V DC\u003c\/li\u003e\n\u003cli data-section-id=\"1waviza\" data-start=\"1274\" data-end=\"1307\"\u003eTrip Setting Range: 1250–2500\u003c\/li\u003e\n\u003cli data-section-id=\"1gofju0\" data-start=\"1308\" data-end=\"1331\"\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli data-section-id=\"1e9hg0x\" data-start=\"1332\" data-end=\"1380\"\u003eFrame Style: HJD (J Frame High Interrupting)\u003c\/li\u003e\n\u003cli data-section-id=\"5zwx1a\" data-start=\"1381\" data-end=\"1447\"\u003eOperating Mechanism: Fixed MCCB with interchangeable trip unit\u003c\/li\u003e\n\u003cli data-section-id=\"e9qnat\" data-start=\"1448\" data-end=\"1494\"\u003eTerminal Type: Line and Load End Terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1496\" data-end=\"1522\"\u003e\u003cstrong data-start=\"1496\" data-end=\"1520\"\u003eVoltage and Ratings:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1523\" data-end=\"1710\"\u003e\n\u003cli data-section-id=\"vdiwce\" data-start=\"1523\" data-end=\"1569\"\u003eRated Voltage: 240V AC \/ 480V AC \/ 600V AC\u003c\/li\u003e\n\u003cli data-section-id=\"1lakhro\" data-start=\"1570\" data-end=\"1592\"\u003eDC Rating: 250V DC\u003c\/li\u003e\n\u003cli data-section-id=\"1byddcq\" data-start=\"1593\" data-end=\"1621\"\u003eMaximum Voltage: 600V AC\u003c\/li\u003e\n\u003cli data-section-id=\"98sof\" data-start=\"1622\" data-end=\"1645\"\u003eRated Current: 300A\u003c\/li\u003e\n\u003cli data-section-id=\"1vdoid4\" data-start=\"1646\" data-end=\"1710\"\u003eInterrupting Ratings: 100kA \/ 65kA \/ 35kA (AC) and 30kA (DC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1712\" data-end=\"1731\"\u003e\u003cstrong data-start=\"1712\" data-end=\"1729\"\u003eProduct Data:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1732\" data-end=\"2198\"\u003e\n\u003cli data-section-id=\"v7rc0c\" data-start=\"1732\" data-end=\"1795\"\u003eProduct Type: High Interrupting Molded Case Circuit Breaker\u003c\/li\u003e\n\u003cli data-section-id=\"1bn0xo5\" data-start=\"1796\" data-end=\"1860\"\u003eApplication: Industrial and Commercial Electrical Protection\u003c\/li\u003e\n\u003cli data-section-id=\"156788j\" data-start=\"1861\" data-end=\"1887\"\u003eMounting Type: Bolt On\u003c\/li\u003e\n\u003cli data-section-id=\"1r4l45e\" data-start=\"1888\" data-end=\"1920\"\u003eConfiguration: 3 Pole System\u003c\/li\u003e\n\u003cli data-section-id=\"dq60uw\" data-start=\"1921\" data-end=\"1964\"\u003eConstruction: Heavy-duty J Frame design\u003c\/li\u003e\n\u003cli data-section-id=\"1p7hniy\" data-start=\"1965\" data-end=\"2055\"\u003eAccessories: Compatible with configurable accessories (installation support available)\u003c\/li\u003e\n\u003cli data-section-id=\"kzoxzf\" data-start=\"2056\" data-end=\"2109\"\u003eTerminal Design: Standard Line and Load Terminals\u003c\/li\u003e\n\u003cli data-section-id=\"3z120r\" data-start=\"2110\" data-end=\"2198\"\u003eWarranty Support: 1-year in-house warranty for new and certified reconditioned units\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2200\" data-end=\"2557\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2200\" data-end=\"2219\"\u003eImportant Note:\u003c\/strong\u003e\u003cbr data-start=\"2219\" data-end=\"2222\"\u003eThis circuit breaker must be installed by a qualified electrician in accordance with electrical standards and system requirements. Improper installation or incorrect selection may result in equipment damage or safety hazards. Always verify voltage ratings, current capacity, and interrupting capacity before installation and operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Siemens","offers":[{"title":"New Surplus","offer_id":48362144858361,"sku":"HJD63B300-NS","price":2699.0,"currency_code":"USD","in_stock":true},{"title":"Certified Reconditioned","offer_id":48362144891129,"sku":"HJD63B300-CR","price":1499.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/HJD63B300.webp?v=1778072619","url":"https:\/\/mycircuitbreakers.com\/products\/siemens-ite-hjd63b300-300a-3-pole-mccb-bolt-on-600v","provider":"My Circuit Breakers","version":"1.0","type":"link"}